Management of Le Fort I Fractures.

Study Design: A retrospective study.

Objective: This retrospective study aims to analyze the results of Le Fort I fracture treatment, with a focus on addressing malocclusion related to the fractures.

Methods: The study included 43 patients diagnosed with Le Fort I fractures who underwent open reduction and internal fixation.

In-house CAD/CAM fabricated repositioning guide in maxillary repositioning after Le Fort I osteotomy.

Objective: This study aimed to compare the accuracy of two transferring methods, which are the intermediate splint made by computer-aided design (CAD)/computer-aided manufacturing (CAM) and the customized maxillary repositioning guide for orthognathic surgery.

Materials And Methods: Patient data regarding virtual surgical simulations were collected. For analyzing the accuracy, the postoperative cone-beam computed tomography and preoperative simulation data were superimposed.

Can Fracture Reduction be Attempted Through a 3D-Printed Guide Template Without Maxillomandibular Fixation?

Background: Computer-aided design and manufacturing (CAD/CAM) is widely used in clinical practice. This technology may change existing methods for mandibular fracture management.

Purpose: The purpose of this in-vitro study was to determine if the reduction for mandibular symphysis fracture can be performed without maxillomandibular fixation (MMF) using 3-dimensional (3D)-printed template.

Retrospective study about the postoperative stability of zygomaticomaxillary complex fracture.

Background: The aim of this study is to evaluate the postoperative stability of zygomaticomaxillary complex (ZMC) fractures according to the number of fixation sites and to investigate the direction of postoperative displacement of the unfixed part of the fractured segment.

Methods: This study was retrospectively performed on 38 patients who were treated by open reduction and internal fixation of ZMC fractures and were taken postoperative computed tomography (CT) between February 2012 and July 2019. The patients were classified into 3 groups: 1-point fixation, 2-point fixation, 3-point fixation according to the number of fixations.

The accuracy of a partially guided system using an in-office 3D-printed surgical guide for implant placement.

Aim: To conduct an observational study evaluating the efficacy of a partially guided system for implant surgery.

Materials And Methods: The study included 48 implant placements in 24 patients. Following virtual implant planning with designated software, a surgical guide was fabricated using a 3D desktop printer.

Decompression of Large Cyst Invading the Mandibular Canal Leading to Reduced Cyst Volume and Increased Mandibular Canal Length.

Purpose: The mandibular canal is damaged by the growth of cysts, and remodeling of the mandibular canal is observed as the size of the cyst decreases after decompression procedures. This study aimed to estimate changes in cyst volume and mandibular canal length using cone-beam computed tomography (CBCT) before and after decompression surgery.

Materials And Methods: A retrospective cohort study was conducted in patients with a diagnosis of mandibular cyst invading the mandibular canal between 2012 and 2018.

Risk factors for postoperative infection of odontogenic cysts associated with mandibular third molar.

Background: Odontogenic cysts associated with lower third molar are common. The prognosis for surgical treatment is relatively good. However, postoperative infection discourages the clinicians.

Evaluation of implant stability using different implant drilling sequences.

Background/purpose: Simplifying the drilling sequence would be meaningful for implant surgery, if it does not exert a negative influence. This prospective clinical study was conducted to evaluate the stability of implant placements after simplifying the drilling sequence.

Materials And Methods: Subjects were divided into a control group that underwent a normal drilling sequence or a test group that underwent only an initial and final drilling.

Occlusion-Fit Three-Dimensional-Printed Zygoma Repositioner.

Reduction malarplasty is utilized to reshape the facial form into an oval shape. However, complications and unfavorable results in reduction malarplasty have been reported. Reoperation of a nonunion malar complex is difficult relative to the achievement of a satisfactory outcome using the intraoral approach with a narrow surgical field because the normal anatomy has been destroyed, and previous surgery may have caused asymmetry.

Risk factor analysis of additional administration of sedative agent and patient dissatisfaction in intravenous conscious sedation using midazolam for third molar extraction.

Objectives: The primary purpose of this study was to investigate the factors related with additional administration of sedative agent during intravenous conscious sedation (IVS) using midazolam (MDZ). The secondary purpose was to analyze the factors affecting patient satisfaction.

Materials And Methods: Clinical data for 124 patients who had undergone surgical extraction of mandibular third molar under IVS using MDZ were retrospectively investigated in this case-control study.

Alternative Treatment for Blow-In Fracture of Lateral Orbital Wall: Removal of the Fractured Fragment.

Blow-in fracture of the zygomaticomaxillary complex that was displaced into the orbital cavity could be associated with ophthalmologic injuries, ranging from visual acuity to ocular motility limitation. Appropriate reduction and realignment of the fractured bone is necessary as early as possible for recovery of function and esthetics. However, limitation of accessibility and visibility makes it difficult for delicate surgery and increases the risk of damage of adjacent anatomic structures, such as optic nerve and extraocular muscles.

Septic arthritis of the temporomandibular joint: a case report.

Septic arthritis of the temporomandibular joint (TMJ) is a rare disease. The most common symptoms of this disease are acute malocclusion, limited mouth opening, swelling, and tenderness of affected TMJ. These symptoms are often confused with internal derangement of the articular disc, rheumatoid arthritis, retrodiscitis, or osteoarthritis.

The effect of an interfragmentary gap on the clinical outcome after mandibular angle fracture surgery.

Background/aim: The mandibular angle fracture occasionally widens at the lower border after surgery using a single miniplate. However, the effects of an interfragmentary gap have not been fully investigated. The aim of this study was to determine the effects of gaps caused by mandibular angle fracture surgery using a single superior border miniplate technique.

Bilateral Temporomandibular Joint Replacement Using Computer-Assisted Surgical Simulation and Three-Dimensional Printing.

The dental occlusion is the important reference for replacement of the temporomandibular joint. If a patient does not have normal occlusion, few considerations are needed for temporomandibular joint replacement. The custom-made prosthesis, typically fabricated with a stereolithographic model, is probably the optimized solution currently available.

Outcomes of open versus closed treatment in the management of mandibular subcondylar fractures.

Objectives: To compare the clinical and radiological outcomes after closed reduction (CR) and open reduction and internal fixation (ORIF) in the management of subcondylar fractures.

Materials And Methods: Forty-eight patients presenting with subcondylar fracture between January 2010 and March 2013 were evaluated retrospectively. Fifteen patients were treated with CR and 33 patients with ORIF.

Comparison of resorbable plates and titanium plates for fixation stability of combined mandibular symphysis and angle fractures.

Objectives: We compared resorbable plates with titanium plates for treatment of combined mandibular angle and symphyseal fractures.

Materials And Methods: Patients with mandibular angle and symphysis fractures were divided into two groups. The control (T) group received titanium plates while the experimental (R) group received resorbable plates.

Pterygoid hamulus bursitis as a cause of craniofacial pain: a case report.

Pain on the soft palate and pharynx can originate in several associated structures. Therefore, diagnosis of patients who complain of discomfort in these areas may be difficult and complicated. Pterygoid hamulus bursitis is a rare disease showing various symptoms in the palatal and pharyngeal regions.

Vector control of malpositioned segment during alveolar distraction osteogenesis by using rubber traction.

Purpose: In this study we discuss how to control and maintain the vector of the malpositioned segment, which had occurred in post-distraction, and suggested treatments.

Patients And Methods: We studied a patient who had undergone alveolar distraction osteogenesis and revealed a complication at the end of the distraction period; namely, the malpositioned segment. We treated this patient by removing the screw from the base plate and attaching a wire splint on the adjacent teeth during osseous consolidation as an anchorage to fix the malpositioned segment toward the desired direction.